Two-catalyst hydrocracking process
CA 2601982 C · Owner: Blom, Niels Jorgen · Inventors: Hansen, Jens A.; Ward, John W.; Blom, Niels Jorgen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for hydrocracking a hydrocarbon feedstock comprising components boiling above 343~C into a middle distillate fraction in the presence of hydrogen under hydrocracking conditions comprising contacting the hydrocarbon feedstock in a first hydrocracking zone in the presence of one or more hydrocracking catalysts and thereafter in a second hydrocracking zone in the presence of one or more hydrocracking catalysts and recovering a middle , distillate product wherein the entire effluent from the first hydrocracking zone is passed into the second hydrocracking zone and at least one , hycrocracking catalyst in the first hydrocracking zone comprises one or more hydrogenation …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed December 13, 2005 and granted April 30, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 13, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.